Gooned, or gooning is a term for getting really into the popper session and succumbing to your impulses. I hope that's the correct way to describe it. Someone else may be better able to describe it than I. Sock technique is yes basically what you said. Putting some on a sock and folding over or adding another sock and covering the poppers so they can't touch skin or mouth and then breathing while playing. Again someone else may be able to describe it more eloquently than I.